Exercise bench



FIG. 1 is a rear, top perspective view of an exercise bench, showing my new design;

FIG. 2 is a front, bottom perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the figures illustrate portions of the exercise bench that form no part of the claimed design. 

CLAIM The ornamental design for an exercise bench, as shown and described. 